<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>案例</title>
    <script>
        const person = {
            name:"jack",
            age:21,
            language: ['java','js','css']
        }

        function hello(person) {
            console.log("hello," + person.name)
        }

        let hi=({name,age})=> {
            console.log("hello," + name+"您的age为:"+age)
        }

        hi(person);


    </script>
</head>
<body>

</body>
</html>